This 2020 has been a difficult year for everyone. Because of this difficulty and the opportunities I had the chance to take, I’ve been able to contribute back to the open source community, not just with content here in Adminbyaccident.com, advocacy for a few tools such as my favorite OS (FreeBSD) and the usual mouthful […]
Donation Time 2020
How to install OpenVAS on FreeBSD
Was ist das? OpenVAS is a vulnerability scanner. If you are unfamiliar to the vulnerability scanning world this can be an overwhelmingly experience but tools like this are what makes the matter more accessible, more manageable, easy to see and easy to fix. Before digging into the matter at hand here, that is how to […]
How to install Apache in FreeBSD with pkgng
The Apache Web Server is one of the most widely deployed web servers around the world. There are new and powerful alternatives you may have heard of, such as NGINX which seems to be the coolest thing around lately. There are meaningful differences between the two. Both are great but for example Apache has set […]
How to mirror disks on FreeBSD’s ZFS
This article is not going to be a long, detailed, specialized how to. I just wanted to share the ease and the fantastic quality of ZFS for a dead simple need I had. A spare box with a spare disk doing nothing could be repurposed as a file share box at home. Mirroring the two […]
How to install WPScan on FreeBSD
Vulnerability scanners are useful tools to find issues on systems, networks and the like. WPScan is dedicated to find vulnerabilities on WordPress installations. A short tutorial as an introduction to the tool has been published here. So if you are interested on the tool and on FreeBSD, let’s dig on this how to install WPScan […]
How to set CentOS 7 repositories
CentOS is the free open source replica of the well known Red Hat Enterprise Linux (RHEL). With a very good reputation because of its stability and performance RHEL is nowadays the dominating GNU/Linux distribution in the enterprise environment. As a gift, in a similar fashion to Microsoft’s Windows trial versions (without limits to the use), […]
Abandon Linux. Rolling back the entire OS is possible.
When I was writing an article on updating FreeBSD from the 11.2 version to the new major release number 12, I was trying to add something extra for those who may read some of the information I publish. FreeBSD as a UNIX operating system has similar functionality to the old school UNIX ones such as […]
Nessus vulnerability scanner
Nessus is a very well known vulnerability scanner used by many large and small companies to assess their systems and correct the issues found in them. Cybersecurity teams and specially auditors, make heavy use of tools like this in order to follow up the state of infrastructure and environments. Having a tool like this saves […]
How to export a MySQL database.
You are your website editor, owner and now administrator. You want control over the whole process and you are migrating from a managed site. Or you are a versed user on unix-like environments and you are just willing to export your database. This is a simple post on how to export a MySQL database. If […]
How to set Apache’s MPM Event and PHP-FPM on FreeBSD
As explained in another article the default Apache’s configuration at compile time sets its multi-processing module (MPM for short) to the pre-fork configuration setting. This is not the best performant configuration for Apache. Out of the box Apache comes compiled in its safest form, from the processing mode perspective since the pre-fork setting will open […]